全ぜん速そくぜんそくMeanings1noun, noun which may take the genitive case particle 'no'full speed; top speedOften used in compounds like 全速力 (full speed) or with で to mean 'at full speed'.車くるまは全ぜん速そくで走はしっていた。The car was running at full speed.Expressions全ぜん速そく前ぜん進しんFull speed ahead!; Full steam ahead!